working on sanity in processing the url hash (and adding settings-in-hash functionality)

covid.js

@@ -1714,14 +1714,17 @@ let processUrlHash = (hash) => {
         hash = hash.substr(1)
     }
     // ";" is used as a separator of options and sites
-    // with sites coming last
-    sites_hash = hash.split(';')
-    sites_hash = sites_hash[sites_hash.length-1]
+    // with sites coming last and settings being optional
+    hash = hash.split(';')
+    sites_hash = hash[sites_hash.length-1]
+    if (hash.length > 1) {
+        settings_hash = hash[0]
+    }
     
     // return the data
     return {
         sites: getSitesFromUrlString(sites_hash),
-        settings: {}
+        settings: settings_hash.split(',')
     }
 }
 
@@ -2097,22 +2100,22 @@ document.addEventListener('DOMContentLoaded', (e)=>{
         console.log(`    got hash: ${window.location.hash}`)
         
         // get the actual site names from the URL hash (sans '#')
-        hash_sites = processUrlHash(window.location.hash).sites
+        var hash = processUrlHash(window.location.hash)
         
         // any site data containers to be removed?
-        if (sitesSelects.length - hash_sites.length > 0) {
-            console.log(`    +-- removing ${sitesSelects.length - hash_sites.length} sites...`)
+        if (sitesSelects.length - hash.sites.length > 0) {
+            console.log(`    +-- removing ${sitesSelects.length - hash.sites.length} sites...`)
             var cur_site_count = sitesSelects.length
-            for (var i=hash_sites.length; i<cur_site_count; i++) {
+            for (var i=hash.sites.length; i<cur_site_count; i++) {
                 console.log(`        i: ${i}`)
                 removeSite.dispatchEvent(new Event('click'))
             }
         }
         
         // do we have any sites to work with?
-        if (hash_sites.length > 0) {
+        if (hash.sites.length > 0) {
             // handle each hash site separately, adding site data containers if need be
-            hash_sites.forEach((hash_site, index)=>{
+            hash.sites.forEach((hash_site, index)=>{
                     // we only allow 6 sites
                     if ( index < 6 ) {
                         if ( ( index >= sitesSelects.length ) ) {